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Fish and Climate Change Climate Change Vulnerability Analysis Lauren Wyman Environmental Defense Fund Dr. Stacy Small What Is... ...the Climate Change Vulnerability Index (CCVI)? A way to understand how climate change may impact species using life history traits and GIS data But First... We Need To Understand How Climate Change May Shape the Midwest’s Climate in the Coming Years: Warmer water temperatures More summer droughts More spring flooding Murkier water So, how will fish fare in response to these changes? Let’s take an example. LAKE STURGEON Moderately vulnerable Barriers: Dams in range Dispersal: Long distance migrant Thermal Niche: Cool water Turbidity Tolerance: Need Clear Water Final Results Patterns • EV: species specialists. Cold water fish, spawn in shallow water, intolerant to turbidity • HV: cool/cold water fish, spawn in shallow habitats • MV: cool water fish, spawn in shallow habitats, better dispersal • PS: tolerant to turbidity and warm water • IL: species generalists. Thrive in turbidity, thrive in warm water, great dispersal. Many invasive species Importance To conserve an ecosystem we must first know what to conserve Special Thanks To... Dr. Stacy Small-Lorenz Lorin Romeo-Romay Stacey Christiansen PEI Team The Environmental Defense Fund. All of it.